Differentiation of Biologically Distinct Peanut Stripe Potyvirus Strains by a Nucleotide Polymorphism-Based Assay

A necrotic strain of peanut stripe potyvirus (PStV-Ts) was used to design and test strain-differentiating oligonucleotides. The 3' region of PStV-Ts, including a part of the NIb region, the complete coat protein (CP) gene, and the 3'-untranslated region, was cloned and sequenced. PStV-Ts h...

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Veröffentlicht in:Plant disease. - 1997. - 82(1998), 10 vom: 28. Okt., Seite 1121-1125
1. Verfasser: Pappu, S S (VerfasserIn)
Weitere Verfasser: Pappu, H R, Chang, C A, Culbreath, A K, Todd, J W
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 1998
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article RT-PCR capsid gene sequence necrotic strains strain differentiation
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520 |a A necrotic strain of peanut stripe potyvirus (PStV-Ts) was used to design and test strain-differentiating oligonucleotides. The 3' region of PStV-Ts, including a part of the NIb region, the complete coat protein (CP) gene, and the 3'-untranslated region, was cloned and sequenced. PStV-Ts had a high degree of sequence identity (92 to 95%) to the known non-necrotic (blotch) strains both at the nucleotide and amino acid sequence levels. Nucleotide sequence differences unique to the necrotic strain were identified when compared to the available non-necrotic isolates of PStV. Nucleotide polymorphism in the CP gene sequences was utilized in designing oligonucleotides that were specific to the necrotic strain, and were employed in an assay to differentiate the necrotic strain from non-necrotic. The 3' end mismatch in the oligonucleotides contributed in particular to the differentiation of the strains. This approach facilitated rapid, sensitive, and reliable detection and differentiation of PStV strains 
650 4 |a Journal Article 
650 4 |a RT-PCR 
650 4 |a capsid gene sequence 
650 4 |a necrotic strains 
650 4 |a strain differentiation 
700 1 |a Pappu, H R  |e verfasserin  |4 aut 
700 1 |a Chang, C A  |e verfasserin  |4 aut 
700 1 |a Culbreath, A K  |e verfasserin  |4 aut 
700 1 |a Todd, J W  |e verfasserin  |4 aut 
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